Buggy code:
public abstract class CheckWmi { public static void main ( final String [ ] args ) throws ParseException { final Options options = new Options ( ) ; options . addOption ( "domain" , true , "the<seq2seq4repair_space>NT//AD<seq2seq4repair_space>domain<seq2seq4repair_space>the<seq2seq4repair_space>credentials<seq2seq4repair_space>belong<seq2seq4repair_space>to" ) ; options . addOption ( "wmiClass" , true , "the<seq2seq4repair_space>object<seq2seq4repair_space>class<seq2seq4repair_space>in<seq2seq4repair_space>WMI<seq2seq4repair_space>to<seq2seq4repair_space>query" ) ; options . addOption ( "wmiNamespace" , true , ( ( "the<seq2seq4repair_space>namespace<seq2seq4repair_space>in<seq2seq4repair_space>WMI<seq2seq4repair_space>to<seq2seq4repair_space>use<seq2seq4repair_space>(default:<seq2seq4repair_space>" + ( WmiParams . WMI_DEFAULT_NAMESPACE ) ) + ")" ) ) ; options . addOption ( "wmiObject" , true , "the<seq2seq4repair_space>object<seq2seq4repair_space>to<seq2seq4repair_space>query<seq2seq4repair_space>in<seq2seq4repair_space>WMI" ) ; options . addOption ( "wmiWql" , true , "the<seq2seq4repair_space>query<seq2seq4repair_space>string<seq2seq4repair_space>to<seq2seq4repair_space>execute<seq2seq4repair_space>in<seq2seq4repair_space>WMI" ) ; options . addOption ( "op" , true , "compare<seq2seq4repair_space>operation:<seq2seq4repair_space>NOOP,<seq2seq4repair_space>EQ,<seq2seq4repair_space>NEQ,<seq2seq4repair_space>GT,<seq2seq4repair_space>LT" ) ; options . addOption ( "value" , true , "the<seq2seq4repair_space>value<seq2seq4repair_space>to<seq2seq4repair_space>compare<seq2seq4repair_space>to" ) ; options . addOption ( "matchType" , true , "type<seq2seq4repair_space>of<seq2seq4repair_space>matching<seq2seq4repair_space>for<seq2seq4repair_space>multiple<seq2seq4repair_space>results:<seq2seq4repair_space>all,<seq2seq4repair_space>none,<seq2seq4repair_space>some,<seq2seq4repair_space>one" ) ; final CommandLineParser parser = new PosixParser ( ) ; final CommandLine cmd = parser . parse ( options , args ) ; @ SuppressWarnings ( "unchecked" ) List < String > arguments = ( ( List < String > ) ( cmd . getArgList ( ) ) ) ; <START_BUG> if ( ( arguments . size ( ) ) < 2 ) { <END_BUG> CheckWmi . usage ( options , cmd ) ; System . exit ( 1 ) ; } final String host = arguments . remove ( 0 ) ; final String user = arguments . remove ( 0 ) ; final String pass = arguments . remove ( 0 ) ; String wmiClass = "" ; if ( cmd . hasOption ( "wmiClass" ) ) { wmiClass = cmd . getOptionValue ( "wmiClass" ) ; } String wmiObject = "" ; if ( cmd . hasOption ( "wmiObject" ) ) { wmiObject = cmd . getOptionValue ( "wmiObject" ) ; } else { CheckWmi . usage ( options , cmd ) ; System . exit ( 1 ) ; } String wmiNamespace = WmiParams . WMI_DEFAULT_NAMESPACE ; if ( cmd . hasOption ( "wmiNamespace" ) ) { wmiNamespace = cmd . getOptionValue ( "wmiNamespace" ) ; } String wmiWql = "" ; if ( cmd . hasOption ( "wmiWql" ) ) { wmiWql = cmd . getOptionValue ( "wmiWql" ) ; } String compVal = "" ; if ( cmd . hasOption ( "value" ) ) { compVal = cmd . getOptionValue ( "value" ) ; } else { CheckWmi . usage ( options , cmd ) ; System . exit ( 1 ) ; } String compOp = "" ; if ( cmd . hasOption ( "op" ) ) { compOp = cmd . getOptionValue ( "op" ) ; } else { CheckWmi . usage ( options , cmd ) ; System . exit ( 1 ) ; } String domain = "" ; if ( cmd . hasOption ( "domain" ) ) { domain = cmd . getOptionValue ( "domain" ) ; } String matchType = "all" ; if ( cmd . hasOption ( "matchType" ) ) { matchType = cmd . getOptionValue ( "matchType" ) ; } try { List < Object > wmiObjects ; WmiParams clientParams ; if ( ( wmiWql == null ) || ( ( wmiWql . length ( ) ) == 0 ) ) clientParams = new WmiParams ( WmiParams . WMI_OPERATION_INSTANCEOF , compVal , compOp , wmiClass , wmiObject ) ; else clientParams = new WmiParams ( WmiParams . WMI_OPERATION_WQL , compVal , compOp , wmiWql , wmiObject ) ; final WmiManager mgr = new WmiManager ( host , user , pass , domain , matchType ) ; mgr . setNamespace ( wmiNamespace ) ; mgr . init ( ) ; final WmiResult result = mgr . performOp ( clientParams ) ; wmiObjects = result . getResponse ( ) ; System . out . println ( ( ( ( ( ( ( ( "Checking:<seq2seq4repair_space>" + wmiWql ) + "<seq2seq4repair_space>for<seq2seq4repair_space>" ) + wmiObject ) + "<seq2seq4repair_space>Op:<seq2seq4repair_space>" ) + compOp ) + "<seq2seq4repair_space>Val:<seq2seq4repair_space>" ) + compVal ) ) ; System . out . println ( ( ( ( ( "Check<seq2seq4repair_space>results:<seq2seq4repair_space>" + ( WmiResult . convertStateToString ( result . getResultCode ( ) ) ) ) + "<seq2seq4repair_space>(" ) + ( wmiObjects . size ( ) ) ) + ")" ) ) ; for ( int i = 0 ; i < ( wmiObjects . size ( ) ) ; i ++ ) { System . out . println ( ( ( ( ( ( ( ( "Result<seq2seq4repair_space>for<seq2seq4repair_space>(" + ( i + 1 ) ) + ")<seq2seq4repair_space>" ) + wmiClass ) + "\\" ) + wmiObject ) + ":<seq2seq4repair_space>" ) + ( wmiObjects . get ( i ) ) ) ) ; } mgr . close ( ) ; } catch ( final Exception e ) { e . printStackTrace ( ) ; } } private static void usage ( final Options options , final CommandLine cmd , final String error , final Exception e ) { } private static void usage ( final Options options , final CommandLine cmd ) { } }

Fix:
if ( ( arguments . size ( ) ) < 3 ) {